CVE-2026-57074

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreMEDIUM confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-16. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.1Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

XML::Bare versions through 0.53 for Perl have an unbounded character lookahead.

The parserc_parse function attempts to check for multicharacter strings such as "" without checking that the offsets are within the buffer.

Truncated strings such as "

Published

July 16, 2026

Last Modified

July 17, 2026

Advisory Details (3)

Auto-updated Aug 29, 2026
No patch confirmed yet. Sources: github_pr.
generic

oss-security - CVE-2026-57074: XML::Bare versions through 0.53 for Perl have an unbounded character lookahead

http://www.openwall.com/lists/oss-security/2026/07/16/1
generic
https://security.metacpan.org/patches/X/XML-Bare/0.53/CVE-2026-57074-r1.patch
github_pr

XML::Bare: bounds truncated fixed-advance lookahead (heap OOB read)

Upstream fix in progress (PR #1 · nanoscopic/perl-XML-Bare, state=open)

https://github.com/nanoscopic/perl-XML-Bare/pull/1

Vendor Advisories for CVE-2026-57074(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
libxml-bare-perl0.53-1, 0.53-2, 0.53-3, 0.53-4, 0.53-5——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
libxml-bare-perl0.53-2, 0.53-3, 0.53-4, 0.53-5——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
libxml-bare-perl0.53-4, 0.53-5——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
libxml-bare-perl0.53-40.53-5—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 33× in last 7d / 203× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 744 total refreshes for this CVE.

  1. 2026-08-30 03:33 UTCEG score recompute
  2. 2026-08-30 03:33 UTCGHSA enrichment
  3. 2026-08-30 01:22 UTCEPSS rescore
  4. 2026-08-28 21:42 UTCEPSS rescore
  5. 2026-08-28 01:50 UTCGHSA enrichment
  6. 2026-08-27 21:27 UTCEG score recompute
  7. 2026-08-27 21:27 UTCGHSA enrichment
  8. 2026-08-27 14:25 UTCEPSS rescore
  9. 2026-08-27 12:28 UTCGHSA enrichment
  10. 2026-08-27 03:07 UTCGHSA enrichment
  11. 2026-08-26 22:51 UTCEG score recompute
  12. 2026-08-26 22:51 UTCGHSA enrichment
  13. 2026-08-26 14:46 UTCEPSS rescore
  14. 2026-08-26 11:58 UTCGHSA enrichment
  15. 2026-08-26 04:34 UTCGHSA enrichment
  16. 2026-08-25 23:51 UTCGHSA enrichment
  17. 2026-08-25 18:55 UTCEG score recompute
  18. 2026-08-25 18:55 UTCGHSA enrichment
  19. 2026-08-25 13:49 UTCEPSS rescore
  20. 2026-08-25 13:03 UTCGHSA enrichment
  21. 2026-08-25 08:46 UTCGHSA enrichment
  22. 2026-08-25 03:53 UTCGHSA enrichment
  23. 2026-08-24 23:37 UTCGHSA enrichment
  24. 2026-08-24 19:21 UTCEG score recompute
  25. 2026-08-24 19:21 UTCGHSA enrichment
Show 75 more
  1. 2026-08-24 13:27 UTCEG score recompute
  2. 2026-08-24 13:27 UTCGHSA enrichment
  3. 2026-08-24 09:09 UTCGHSA enrichment
  4. 2026-08-24 04:24 UTCGHSA enrichment
  5. 2026-08-24 00:06 UTCGHSA enrichment
  6. 2026-08-23 19:50 UTCGHSA enrichment
  7. 2026-08-23 15:34 UTCGHSA enrichment
  8. 2026-08-23 11:18 UTCGHSA enrichment
  9. 2026-08-23 07:03 UTCGHSA enrichment
  10. 2026-08-23 02:47 UTCEG score recompute
  11. 2026-08-23 02:47 UTCGHSA enrichment
  12. 2026-08-23 00:19 UTCEPSS rescore
  13. 2026-08-22 22:30 UTCGHSA enrichment
  14. 2026-08-22 18:13 UTCGHSA enrichment
  15. 2026-08-22 13:57 UTCGHSA enrichment
  16. 2026-08-22 09:41 UTCGHSA enrichment
  17. 2026-08-22 05:25 UTCGHSA enrichment
  18. 2026-08-22 01:09 UTCEG score recompute
  19. 2026-08-22 01:09 UTCGHSA enrichment
  20. 2026-08-21 23:49 UTCEPSS rescore
  21. 2026-08-21 20:53 UTCGHSA enrichment
  22. 2026-08-21 16:37 UTCGHSA enrichment
  23. 2026-08-21 12:00 UTCGHSA enrichment
  24. 2026-08-21 07:44 UTCGHSA enrichment
  25. 2026-08-21 03:28 UTCGHSA enrichment
  26. 2026-08-20 23:09 UTCEG score recompute
  27. 2026-08-20 23:09 UTCGHSA enrichment
  28. 2026-08-20 22:55 UTCEPSS rescore
  29. 2026-08-20 18:52 UTCGHSA enrichment
  30. 2026-08-20 14:37 UTCGHSA enrichment
  31. 2026-08-20 08:26 UTCGHSA enrichment
  32. 2026-08-20 04:11 UTCGHSA enrichment
  33. 2026-08-19 23:54 UTCEG score recompute
  34. 2026-08-19 23:54 UTCGHSA enrichment
  35. 2026-08-19 17:04 UTCEPSS rescore
  36. 2026-08-19 13:29 UTCGHSA enrichment
  37. 2026-08-19 09:13 UTCGHSA enrichment
  38. 2026-08-19 04:37 UTCGHSA enrichment
  39. 2026-08-19 00:12 UTCGHSA enrichment
  40. 2026-08-18 19:56 UTCEG score recompute
  41. 2026-08-18 19:55 UTCGHSA enrichment
  42. 2026-08-18 13:48 UTCEPSS rescore
  43. 2026-08-18 11:22 UTCGHSA enrichment
  44. 2026-08-18 06:52 UTCGHSA enrichment
  45. 2026-08-18 02:28 UTCGHSA enrichment
  46. 2026-08-17 21:18 UTCGHSA enrichment
  47. 2026-08-17 16:52 UTCEG score recompute
  48. 2026-08-17 16:52 UTCGHSA enrichment
  49. 2026-08-17 13:47 UTCEPSS rescore
  50. 2026-08-17 12:36 UTCGHSA enrichment
  51. 2026-08-17 08:19 UTCGHSA enrichment
  52. 2026-08-17 04:04 UTCGHSA enrichment
  53. 2026-08-16 23:48 UTCGHSA enrichment
  54. 2026-08-16 19:32 UTCGHSA enrichment
  55. 2026-08-16 15:16 UTCEG score recompute
  56. 2026-08-16 15:16 UTCGHSA enrichment
  57. 2026-08-16 14:56 UTCEPSS rescore
  58. 2026-08-16 11:00 UTCGHSA enrichment
  59. 2026-08-16 06:45 UTCGHSA enrichment
  60. 2026-08-16 02:29 UTCEG score recompute
  61. 2026-08-16 02:29 UTCGHSA enrichment
  62. 2026-08-16 02:14 UTCEPSS rescore
  63. 2026-08-15 22:14 UTCEG score recompute
  64. 2026-08-15 22:14 UTCGHSA enrichment
  65. 2026-08-15 17:58 UTCGHSA enrichment
  66. 2026-08-15 13:42 UTCGHSA enrichment
  67. 2026-08-15 09:26 UTCGHSA enrichment
  68. 2026-08-15 05:10 UTCEG score recompute
  69. 2026-08-15 05:10 UTCGHSA enrichment
  70. 2026-08-15 01:30 UTCEPSS rescore
  71. 2026-08-15 00:54 UTCGHSA enrichment
  72. 2026-08-14 20:39 UTCGHSA enrichment
  73. 2026-08-14 16:23 UTCGHSA enrichment
  74. 2026-08-14 12:08 UTCGHSA enrichment
  75. 2026-08-14 07:52 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-57074?
CVE-2026-57074 is a critical vulnerability published on July 16, 2026. XML::Bare versions through 0.53 for Perl have an unbounded character lookahead. The parserc_parse function attempts to check for multicharacter strings such as "<![CDATA" or element terminators such as ">" without checking that the offsets are within the buffer. Truncated strings such as "<a/" can…
When was CVE-2026-57074 disclosed?
CVE-2026-57074 was first published in the National Vulnerability Database on July 16, 2026, with the most recent update on July 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-57074 actively exploited?
CVE-2026-57074 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 52.5% of all scored CVEs.
What is the CVSS score of CVE-2026-57074?
CVE-2026-57074 has a CVSS v3.1 base score of 9.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-57074?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-57074, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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