CVE Tools

Zlib

8 CVEs tracked since 2004. Since Sep 2004, none of them reached CISA KEV.

Zlib CVEs per month

Sep 2004 to May 2017. Point at a month, or focus the strip and use the arrow keys.
Zlib CVEs per month, with the share now in CISA KEV
MonthCVEsIn CISA KEV
2004-0920
2004-10null or fewer
2004-11null or fewer
2004-12null or fewer
2005-01null or fewer
2005-02null or fewer
2005-03null or fewer
2005-04null or fewer
2005-05null or fewer
2005-06null or fewer
2005-0720
2005-08null or fewer
2005-09null or fewer
2005-10null or fewer
2005-11null or fewer
2005-12null or fewer
2006-01null or fewer
2006-02null or fewer
2006-03null or fewer
2006-04null or fewer
2006-05null or fewer
2006-06null or fewer
2006-07null or fewer
2006-08null or fewer
2006-09null or fewer
2006-10null or fewer
2006-11null or fewer
2006-12null or fewer
2007-01null or fewer
2007-02null or fewer
2007-03null or fewer
2007-04null or fewer
2007-05null or fewer
2007-06null or fewer
2007-07null or fewer
2007-08null or fewer
2007-09null or fewer
2007-10null or fewer
2007-11null or fewer
2007-12null or fewer
2008-01null or fewer
2008-02null or fewer
2008-03null or fewer
2008-04null or fewer
2008-05null or fewer
2008-06null or fewer
2008-07null or fewer
2008-08null or fewer
2008-09null or fewer
2008-10null or fewer
2008-11null or fewer
2008-12null or fewer
2009-01null or fewer
2009-02null or fewer
2009-03null or fewer
2009-04null or fewer
2009-05null or fewer
2009-06null or fewer
2009-07null or fewer
2009-08null or fewer
2009-09null or fewer
2009-10null or fewer
2009-11null or fewer
2009-12null or fewer
2010-01null or fewer
2010-02null or fewer
2010-03null or fewer
2010-04null or fewer
2010-05null or fewer
2010-06null or fewer
2010-07null or fewer
2010-08null or fewer
2010-09null or fewer
2010-10null or fewer
2010-11null or fewer
2010-12null or fewer
2011-01null or fewer
2011-02null or fewer
2011-03null or fewer
2011-04null or fewer
2011-05null or fewer
2011-06null or fewer
2011-07null or fewer
2011-08null or fewer
2011-09null or fewer
2011-10null or fewer
2011-11null or fewer
2011-12null or fewer
2012-01null or fewer
2012-02null or fewer
2012-03null or fewer
2012-04null or fewer
2012-05null or fewer
2012-06null or fewer
2012-07null or fewer
2012-08null or fewer
2012-09null or fewer
2012-10null or fewer
2012-11null or fewer
2012-12null or fewer
2013-01null or fewer
2013-02null or fewer
2013-03null or fewer
2013-04null or fewer
2013-05null or fewer
2013-06null or fewer
2013-07null or fewer
2013-08null or fewer
2013-09null or fewer
2013-10null or fewer
2013-11null or fewer
2013-12null or fewer
2014-01null or fewer
2014-02null or fewer
2014-03null or fewer
2014-04null or fewer
2014-05null or fewer
2014-06null or fewer
2014-07null or fewer
2014-08null or fewer
2014-09null or fewer
2014-10null or fewer
2014-11null or fewer
2014-12null or fewer
2015-01null or fewer
2015-02null or fewer
2015-03null or fewer
2015-04null or fewer
2015-05null or fewer
2015-06null or fewer
2015-07null or fewer
2015-08null or fewer
2015-09null or fewer
2015-10null or fewer
2015-11null or fewer
2015-12null or fewer
2016-01null or fewer
2016-02null or fewer
2016-03null or fewer
2016-04null or fewer
2016-05null or fewer
2016-06null or fewer
2016-07null or fewer
2016-08null or fewer
2016-09null or fewer
2016-10null or fewer
2016-11null or fewer
2016-12null or fewer
2017-01null or fewer
2017-02null or fewer
2017-03null or fewer
2017-04null or fewer
2017-0540

Products

The products that kept showing up in Zlib's monthly top three, with their CVEs summed over those months.

  1. Zlib83 months

Latest CVEs

The 15 most recently published vulnerabilities affecting Zlib.

  1. CVE-2026-85091zlib 1.3.1.2 through 1.3.2 Heap Buffer Overflow via gz_vacate7.4
  2. CVE-2026-27171zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.2.9
  3. CVE-2026-22184zlib <= 1.3.1.2 untgz Global Buffer Overflow in TGZfname()7.8
  4. CVE-2023-45853MiniZip in zlib through 1.3 has an integer overflow and resultant heap-based buffer overflow in zipOpenNewFileInZip4_64 via a long filename, comment, or extra field. NOTE: MiniZip is not a supporte...9.8
  5. CVE-2022-37434zlib through 1.2.12 has a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field. NOTE: only applications that call inflateGetHeader are affected...9.8
  6. CVE-2018-25032zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.7.5
  7. CVE-2016-9843The crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving big-endian CRC calculation.9.8
  8. CVE-2016-9842The inflateMark function in inflate.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving left shifts of negative integers.8.8
  9. CVE-2016-9840inftrees.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic.8.8
  10. CVE-2016-9841inffast.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic.9.8
  11. CVE-2015-1191Multiple directory traversal vulnerabilities in pigz 2.3.1 allow remote attackers to write to arbitrary files via a (1) full pathname or (2) .. (dot dot) in an archive.5.0
  12. CVE-2013-0296Race condition in pigz before 2.2.5 uses permissions derived from the umask when compressing a file before setting that file's permissions to match those of the original file, which might allow loc...4.4
  13. CVE-2005-1849inftrees.h in zlib 1.2.2 allows remote attackers to cause a denial of service (application crash) via an invalid file that causes a large dynamic tree to be produced.5.0
  14. CVE-2005-2096zlib 1.2 and later versions allows remote attackers to cause a denial of service (crash) via a crafted compressed stream with an incomplete code description of a length greater than 1, which leads ...7.5
  15. CVE-2004-0797The error handling in the (1) inflate and (2) inflateBack functions in ZLib compression library 1.2.x allows local users to cause a denial of service (application crash).2.1

The record

Peak rank
#93 in Sep 2004
Busiest month shown
May 2017, 4 CVEs
Months with a KEV entry
0 since Sep 2004
Monthly snapshots
3 since 2004
Zlib's full record, month by month

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